@aws-amplify/graphql-schema-generator/lib/ts-schema-generator/ts-schema-generator.js

Amplify GraphQL schema generator

"use strict";
var _a;
Object.defineProperty(exports, "__esModule", { value: true });
exports.TypescriptDataSchemaGenerator = void 0;
const crypto_1 = require("crypto");
const datasource_adapter_1 = require("../datasource-adapter");
const schema_representation_1 = require("../schema-representation");
const utils_1 = require("../utils");
const generate_ts_schema_1 = require("./generate-ts-schema");
class TypescriptDataSchemaGenerator {
}
exports.TypescriptDataSchemaGenerator = TypescriptDataSchemaGenerator;
_a = TypescriptDataSchemaGenerator;
TypescriptDataSchemaGenerator.generate = async (config) => {
    const schema = await TypescriptDataSchemaGenerator.buildSchema(config);
    return (0, generate_ts_schema_1.generateTypescriptDataSchema)(schema, {
        secretNames: {
            connectionUri: config.connectionUriSecretName,
            sslCertificate: config.sslCertificateSecretName,
        },
        vpcConfig: await (0, utils_1.getHostVpc)(config.host),
        identifier: TypescriptDataSchemaGenerator.createIdentifier(config),
    });
};
TypescriptDataSchemaGenerator.getAdapter = (config) => {
    switch (config.engine) {
        case 'mysql':
            return new datasource_adapter_1.MySQLDataSourceAdapter(config);
        case 'postgresql':
            return new datasource_adapter_1.PostgresDataSourceAdapter(config);
    }
    throw new Error('Only MySQL and Postgres Data Sources are supported');
};
TypescriptDataSchemaGenerator.getDBEngineType = (config) => {
    switch (config.engine) {
        case 'mysql':
            return 'MySQL';
        case 'postgresql':
            return 'Postgres';
    }
    throw new Error('Only MySQL and Postgres Data Sources are supported');
};
TypescriptDataSchemaGenerator.buildSchema = async (config) => {
    const adapter = TypescriptDataSchemaGenerator.getAdapter(config);
    await adapter.initialize();
    const schema = new schema_representation_1.Schema(new schema_representation_1.Engine(TypescriptDataSchemaGenerator.getDBEngineType(config)));
    const models = adapter.getModels();
    adapter.cleanup();
    models.forEach((m) => schema.addModel(m));
    return schema;
};
TypescriptDataSchemaGenerator.createIdentifier = (config) => {
    const { host, database, engine, port } = config;
    const identifierString = host.concat(engine, database, port.toString());
    const identifierHash = (0, crypto_1.createHash)('md5').update(identifierString).digest('base64');
    const identifier = `ID${TypescriptDataSchemaGenerator.removeNonAlphaNumericChars(identifierHash)}`;
    return identifier;
};
TypescriptDataSchemaGenerator.removeNonAlphaNumericChars = (str) => {
    return str.split(/[^A-Za-z0-9]*/).join('');
};
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